Global Patent Index - EP 1555446 B1

EP 1555446 B1 20060621 - Linear actuator

Title (en)

Linear actuator

Title (de)

Linearantrieb

Title (fr)

Actuateur linéaire

Publication

EP 1555446 B1 20060621 (EN)

Application

EP 04425014 A 20040115

Priority

EP 04425014 A 20040115

Abstract (en)

[origin: EP1555446A1] The present invention relates to a linear actuator having a casing (2) for housing, in an axially slidable way, a movable member (4) which is moved with respect to the casing (2) by means of a threaded shaft (5) which is connected to a male and female thread system (6) formed in the movable member (4) in such a way as to create a rotary movement about its own axis ( alpha - alpha ), a plurality of blocks (12) interposed between the said casing (2) and the movable member (4) and fixing means (31) associated with the casing (2) for rotationally and translationally locking the said plurality of blocks (12) to the casing (2), and has the characteristic that the said fixing means (32) comprise a first (22) and a second (23) axial stop between which are interposed the blocks (12), the distance in the said longitudinal direction ( alpha - alpha ) between the said first (22) and the said second (23) stop being adjustable, and that the coupling between the said first (22) and second (23) stop and the blocks (12) is made on at least one inclined plane (16), thus producing a wedging action of the said block (12) on the movable member (4), to eliminate any play in the coupling. <IMAGE>

IPC 8 full level

F16C 29/02 (2006.01); F16C 25/04 (2006.01)

CPC (source: EP)

F16C 25/04 (2013.01); F16C 29/02 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1555446 A1 20050720; EP 1555446 B1 20060621; AT E331149 T1 20060715; DE 602004001327 D1 20060803; DE 602004001327 T2 20070419

DOCDB simple family (application)

EP 04425014 A 20040115; AT 04425014 T 20040115; DE 602004001327 T 20040115